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Age at menarche and risk of multiple sclerosis (MS): a systematic review and meta-analysis.
- Source :
- BMC Neurology; 11/14/2019, Vol. 19 Issue 1, p1-5, 5p, 1 Diagram, 2 Charts, 2 Graphs
- Publication Year :
- 2019
-
Abstract
- <bold>Background: </bold>Some studies have looked at the age at menarche and risk of Multiple Sclerosis (MS).We aimed to conduct a systematic review and meta-analysis to estimate a pooled odds ratio of developing MS by increasing age at menarche.<bold>Methods: </bold>We searched PubMed, Scopus, EMBASE, CINAHL, Web of Science, Ovid, google scholar and gray literature (references of references, congress abstracts) up to 10th April 2019.<bold>Results: </bold>The literature search found 312 articles. After eliminating duplicates, reviews, case reports and trials, 18 articles remained. Three articles were ultimately included in the final analysis. Two studies were from Iran, and one from Canada. The pooled odds ratio (OR) for increasing 1 year of age at menarche was 0.88 (95% CI:0.82-0.94), with no significant heterogeneity (I2 = 49%, p = 0.1). Mean age at menarche was significantly different between case and control groups (mean difference = - 0.22, 95% CI = -0.42,-0.02).<bold>Conclusion: </bold>The result of this systematic review showed that the risk of MS decreases by increasing age at menarche. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 14712377
- Volume :
- 19
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- BMC Neurology
- Publication Type :
- Academic Journal
- Accession number :
- 139690862
- Full Text :
- https://doi.org/10.1186/s12883-019-1473-5